linux-kernel - Re: Suspend to ram regression (2.6.24-rc1-git)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 01 Nov 2007 07:20:16 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	linux-kernel@...r.kernel.org, kristen.c.accardi@...el.com,
	linux-ide@...r.kernel.org
Subject: Re: Suspend to ram regression (2.6.24-rc1-git)

Jens Axboe wrote:
> Reverting just the default AHCI flags makes it work again. IOW, with the
> below patch I can suspend properly with current -git.
> 
> diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
> index ed9b407..77f7631 100644
> --- a/drivers/ata/ahci.c
> +++ b/drivers/ata/ahci.c
> @@ -190,8 +190,7 @@ enum {
>  
>  	AHCI_FLAG_COMMON		= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
>  					  ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
> -					  ATA_FLAG_ACPI_SATA | ATA_FLAG_AN |
> -					  ATA_FLAG_IPM,
> +					  ATA_FLAG_ACPI_SATA | ATA_FLAG_AN,
>  	AHCI_LFLAG_COMMON		= ATA_LFLAG_SKIP_D2H_BSY,


sounds like the easy thing to do, in light of this breakage, might be to 
default it to off, add a module parameter turning it on by setting that 
flag.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/